#include <iostream>
using namespace std;

int main(){
    bool flag = true;
    while(flag){
        cout<<"Input your choice:";
        int choice;
        cin>>choice;

        switch (choice)
        {
        case 1:
            /* Show information */
            break;
        case 2:
            int month;
            cin>>month;
            // Do something...
            break;
        case 3:
            flag = false;
            break;
        default:
            break;
        }
    }

    return 0;
}